<!--课程的发布-->
<template>
  <div class="app-container">
    <h2 style="text-align: center">发布新课程</h2>

    <el-steps
      :active="3"
      process-status="wait"
      align-center
      style="margin-bottom: 40px"
    >
      <el-step title="填写课程基本信息" />
      <el-step title="创建课程大纲" />
      <el-step title="发布课程" />
    </el-steps>

    <div class="ccInfo">
      <img :src="coursePublish.cover" />
      <div class="main">
        <h2>{{ coursePublish.title }}</h2>
        <p class="gray">
          <span>共{{ coursePublish.lessonNum }}课时</span>
        </p>
        <p>
          <span
            >所属分类：{{ coursePublish.subjectLevelOne }} —
            {{ coursePublish.subjectLevelTwo }}</span
          >
        </p>
        <p>课程讲师：{{ coursePublish.teacherName }}</p>
        <h3 class="red">￥{{ coursePublish.price }}</h3>
      </div>
    </div>

    <el-form label-width="120px">
      <el-form-item>
        <el-button @click="previous">返回修改</el-button>
        <el-button :disabled="saveBtnDisabled" type="primary" @click="publish"
          >发布课程</el-button
        >
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import chapter from "@/api/edu/chapter";
import course from "@/api/edu/course";

export default {
  data() {
    return {
      courseId: "",
      saveBtnDisabled: false, // 保存按钮是否禁用
      coursePublish: {},
    };
  },

  created() {
    if (this.$route.params && this.$route.params.id) {
      this.courseId = this.$route.params.id;
      this.getCoursePublishInfo();
    }
  },

  methods: {
    getCoursePublishInfo() {
      chapter.getCoursePublishInfo(this.courseId).then((resposne) => {
        this.coursePublish = resposne.data.coursePublish;
      });
    },

    previous() {
      this.$router.push({ path: "/course/chapter/" + this.courseId });
    },

    publish() {
      course.publishCourse(this.courseId).then(resposne=>{
        this.$message({
          message: '发布成功',
          type: 'success'
        });
        this.$router.push({ path: "/course/list" });
      })
    },
  },
};
</script>